发布时间:2025-02-01 06:49:11
C40的立方体抗压强度标准值(在标准养护条件下养护达到28D龄期,用标准方法测得的极限抗压强度)为40MPa.
准备买房子了今天去售楼部看来模型和细节的布局图想在以下三种户型选一个请亲们帮忙分析下利弊
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